RIWATT Integrated Pressurized Flat Panel Solar Water Heater combines elegant flat panel collector design with high-efficiency solar heating performance. Built with a pressurized stainless steel water tank, premium insulation, and durable flat plate collectors, it delivers reliable hot water for homes, hotels, and commercial projects. Designed for easy installation on flat or sloped roofs, the system offers energy savings, low maintenance, and long service life. Available in 150L, 200L, and 300L models.